WO2016088586A1 - Dispositif de robinet d'eau automatique - Google Patents

Dispositif de robinet d'eau automatique Download PDF

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Publication number
WO2016088586A1
WO2016088586A1 PCT/JP2015/082760 JP2015082760W WO2016088586A1 WO 2016088586 A1 WO2016088586 A1 WO 2016088586A1 JP 2015082760 W JP2015082760 W JP 2015082760W WO 2016088586 A1 WO2016088586 A1 WO 2016088586A1
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WO
WIPO (PCT)
Prior art keywords
water discharge
water
sensor
faucet device
discharge
Prior art date
Application number
PCT/JP2015/082760
Other languages
English (en)
Japanese (ja)
Inventor
健介 村田
仁 中尾
直登 富山
達也 福冨
政信 金城
Original Assignee
Toto株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toto株式会社 filed Critical Toto株式会社
Priority to JP2016562388A priority Critical patent/JP6742600B2/ja
Priority to CN201580059147.0A priority patent/CN107109828B/zh
Priority to US15/529,906 priority patent/US10273668B2/en
Publication of WO2016088586A1 publication Critical patent/WO2016088586A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/05—Arrangements of devices on wash-basins, baths, sinks, or the like for remote control of taps
    • E03C1/055—Electrical control devices, e.g. with push buttons, control panels or the like
    • E03C1/057—Electrical control devices, e.g. with push buttons, control panels or the like touchless, i.e. using sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/04—Systems determining the presence of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C2201/00—Details, devices or methods not otherwise provided for
    • E03C2201/40—Arrangement of water treatment devices in domestic plumbing installations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means

Definitions

  • the present invention relates to an automatic faucet device, and more particularly, to an automatic faucet device that automatically stops water discharge and water discharge according to the detection state of a sensor.
  • Patent Document 1 an automatic faucet device that automatically discharges water when a detected object such as a human body is detected by a sensor is known (see, for example, Patent Document 1).
  • water dirty water
  • Patent Document 2 proposes a technique for maintaining the sink in a clean and clean state by detecting the presence of a human body and then discharging water from the sink cleaning port for a certain period of time after the detection is stopped.
  • JP 2014-43695 A Japanese Patent Laid-Open No. 11-231
  • an object of the present invention is to provide an automatic water faucet device that can appropriately prevent the dirt from adhering to the bowl and becoming difficult to remove while suppressing wasteful water discharge.
  • the present invention is an automatic water faucet device that automatically discharges water when a detected object is detected, and a sensor that detects the detected object and the sensor detects the detected object. And a control unit that performs control for performing second water discharge while the sensor does not detect the object to be detected.
  • the first water discharge is performed while the sensor stops detecting the object to be detected, the second water discharge is started, and the second water discharge is stopped after the first water discharge is stopped. It is characterized by that.
  • the first water discharge is performed while the sensor is detecting the detected object, and the second water discharge is started when the sensor stops detecting the detected object.
  • the second water discharge is stopped after the first water discharge is stopped.
  • the control unit performs the first water discharge while the sensor detects the detected object, and stops the first water discharge when the sensor no longer detects the detected object. Thereafter, control is performed to switch between the first water discharge and the second water discharge so that the second water discharge is performed for a predetermined period.
  • control is performed to switch between the first water discharge and the second water discharge, and the first water discharge is performed while the sensor is detecting the detection object.
  • the first water discharge is stopped, and then the second water discharge is performed for a predetermined period.
  • 2nd water discharge can be performed more appropriately, and it becomes possible to keep a bowl etc. clean, suppressing useless water discharge.
  • the first water discharge and the second water discharge have different water discharge forms.
  • the present invention configured as described above, by applying an appropriate water discharge form to each of the first and second water discharges, it is possible to appropriately prevent unnecessary water discharge and keep the bowl and the like more clean. It becomes possible.
  • the water discharge form between the first water discharge and the second water discharge as described above, the water discharge performed while the sensor detects the detected object and the sensor detects the detected object. It is possible to allow the user to properly grasp the water discharge that is performed while not being performed.
  • the first water discharge and the second water discharge are discharged from different water discharge portions.
  • the bowl and the like can be kept more clean while appropriately suppressing unnecessary water discharge by causing the first and second water discharges to be performed from appropriate water discharge units. It becomes possible.
  • the water discharge performed while a sensor is detecting a to-be-detected object, and a sensor detects a to-be-detected object It is possible to allow the user to properly grasp the water discharge that is performed while not being performed.
  • control unit performs water discharge from the first water discharge unit as the first water discharge, performs water discharge from the second water discharge unit as the second water discharge, and discharges water from the first water discharge unit and the second water discharge unit. Control to switch between water discharge from.
  • the water outlet of a 1st water discharging part and the water outlet of a 2nd water discharging part are provided in the position which adjoins in the front-end
  • the water discharge port of the first water discharge unit and the water discharge port of the second water discharge unit are provided at positions close to each other at the tip, so that water discharge from the first water discharge unit is performed. Water from the second water discharger can be discharged into the water landing range by handwashing, etc., and dirt that has flowed out by handwashing can be appropriately washed away by water discharged from the second water discharger.
  • a control part performs said 2nd water discharge after the stop of 1st water discharge, whenever it performs 1st water discharge.
  • the bowl of the handwasher becomes dirty after the user has washed his hands, etc., so by performing the second water discharge every time the first water discharge is performed, The bowl can be kept clean.
  • the apparatus further includes a functional water generation unit that operates by being energized and reforms water to generate functional water, and the second water discharge unit is generated by the functional water generation unit. Discharge functional water.
  • a functional water generation unit that operates by being energized and reforms water to generate functional water
  • the second water discharge unit is generated by the functional water generation unit. Discharge functional water.
  • the present invention preferably, it further includes an electromagnetic valve that switches between execution and stop of water discharge from the second water discharge unit by opening and closing, and the control unit further performs control on the functional water generating unit and the electromagnetic valve.
  • energization of the functional water generator is started after opening the solenoid valve.
  • the energization of the functional water generator is started after the energization of the solenoid valve is started, and the power is stable. Since energization of the functional water generating unit is started, it is possible to appropriately cope with a power source having a small capacity, and it is possible to reduce the size of the apparatus.
  • a control part closes an electromagnetic valve, after stopping energization of a functional water production
  • the energization of the solenoid valve is stopped after the energization of the functional water generator is stopped, and the power is stabilized.
  • the solenoid valve is operated from open to closed, so that it is possible to appropriately cope with a power source having a smaller capacity and to further reduce the size of the apparatus.
  • the control unit further controls the functional water generating unit, learns the use frequency of the automatic water faucet device, and adjusts the energization time of the functional water generating unit based on the use frequency.
  • the control unit configured as described above, by adjusting the energization time of the functional water generator based on the frequency of use of the automatic faucet device, for example, by shortening the energization time as the learned usage frequency increases, The load given to the functional water generator can be reduced, and the life of the functional water generator can be extended.
  • the control unit performs the second water discharge every time the first water discharge is performed a predetermined number of times.
  • the second water discharge is performed every time the first water discharge is performed a predetermined number of times instead of performing the second water discharge every time the first water discharge is performed. Water can be saved by reducing the number of water discharges.
  • the control unit stops detecting the object to be detected, stops the first water discharge, and then continues when the sensor does not detect the object to be detected for a predetermined time.
  • Perform water discharge In the present invention configured as described above, the second water discharge is performed when the state in which the sensor does not detect the detected object continues for a predetermined time after the first water discharge is completed.
  • the user can be notified of the end and the start of the second water discharge thereafter. Therefore, for example, when functional water is used as the second water discharge, if the functional water is applied to the user's hand, rough skin may occur depending on the concentration of the functional water, or the odor peculiar to functional water (such as a chlorine odor). May be left, but by notifying the user of the start of the second water discharge as described above, it is possible to appropriately prevent problems that may occur when the functional water is applied to the user's hand. be able to.
  • the control unit does not perform the second water discharge, A first water discharge is performed.
  • the sensor detects an object to be detected between the end of the first water discharge and the start of the second water discharge, not the second water discharge but the first water discharge.
  • the sensor is switched from the temporary non-detection state to the detection state after the first water discharge (for example, the user temporarily moved the hand outside the detection range of the sensor during hand washing) Case)
  • the first water discharge can be appropriately restarted without starting the second water discharge. Therefore, the user can resume hand washing without waiting for the end of the second water discharge.
  • the controller stops the second water discharge and performs the first water discharge.
  • the controller stops the second water discharge and performs the first water discharge.
  • the second water discharge form by the second water discharge unit has a larger water discharge angle from the water discharge port than the first water discharge form by the first water discharge part.
  • the water (sewage) that has flowed out by hand washing using water discharged from the first water discharger tends to fall in a wider range than the water discharge range of the first water discharger. According to this, by using the water discharged from the second water discharger having a larger water discharge angle from the water discharge port than the first water discharger, water can be discharged over a wide range. Thereby, the bowl of a hand-washing machine etc. can be kept clean effectively.
  • the illumination part which irradiates the substantially the same range as the water discharge range by a 2nd water discharge part with light.
  • the second water discharge form as described above it is difficult for the user to predict the water discharge range by the second water discharge unit, but according to the present invention configured as described above, Since the irradiating unit irradiates almost the same range as the water discharge range by the 2 water discharge unit, the user can appropriately notify the user of the water discharge range by the second water discharge unit, and land the water at an undesired location of the user. Can be suppressed.
  • an illumination part starts irradiation of light, before the water discharge from a 2nd water discharge part is started.
  • the water discharge range of the second water discharger is previously notified to the user by the light from the illumination unit before the water discharge by the second water discharger is started, the user It is possible to effectively prevent water from landing on an undesired portion.
  • the automatic water faucet device of the present invention it is possible to appropriately prevent the dirt from adhering to the bowl or the like and becoming difficult to remove while suppressing unnecessary water discharge.
  • FIG. 2 (A) is the perspective view which looked at this automatic faucet device from diagonally downward
  • FIG. 2B is a cross-sectional view of the automatic faucet device taken along line IIB-IIB in FIG. It is a longitudinal cross-sectional view of this 2nd water discharging part for demonstrating the principle of the spray water discharging of the 2nd water discharging part by embodiment of this invention.
  • FIG. 17 (A) is the perspective view which looked at this automatic faucet device from diagonally downward.
  • 17B is a cross-sectional view of the automatic faucet device as seen along the line XVIIB-XVIIB in FIG. It is a block diagram showing roughly the functional composition of the automatic faucet device by modification 5 in the embodiment of the present invention. It is a time chart which shows the control by the modification 5 in embodiment of this invention.
  • FIG. 1 is a perspective view of a hand wash basin to which an automatic faucet device according to an embodiment of the present invention is applied, viewed obliquely from above.
  • the hand-washing machine 5 mainly includes an automatic water faucet device 1 that automatically stops water discharge and water discharge according to the detection state of an object to be detected such as a human body, and the automatic water faucet device 1.
  • a bowl 3 that receives water discharged from the water and drains water from a drain port (not shown).
  • FIG. 2 is a diagram for specifically explaining the configuration of the automatic faucet device according to the embodiment of the present invention.
  • FIG. 2 (A) is a perspective view of the automatic faucet device according to the embodiment of the present invention as viewed obliquely from below, and
  • FIG. 2 (B) shows the automatic faucet device in FIG. 2 (A) IIB- It is sectional drawing seen along the IIB line.
  • the configuration near the water discharge portion of the automatic faucet device 1 according to the present embodiment will be mainly described.
  • the automatic water faucet device 1 has a water discharge pipe 11 which is a curved tubular member.
  • a first water discharge unit 12 configured to perform foam water discharge from the first water discharge port 12a
  • a nozzle-like second water discharger 13 configured to perform spray water discharge (in other words, mist water discharge) from the second water discharge port 13a
  • a sensor 14 that detects infrared rays, and the like, detects an object to be detected
  • An LED (Light Emitting Diode) 15 for irradiating light is disposed.
  • the sensor 14, the first water outlet 12a, the LED 15, and the second water outlet 13a are arranged in this order from the top to the bottom of the water discharge pipe 11. Further, the water discharge pipe 11 is connected to the first water discharge unit 12, and is connected to the first flow path 17 for supplying water to the first water discharge unit 12 and the second water discharge unit 13. A second flow path 18 that is connected and supplies water (including electrolyzed water described later) to the second water discharger 13 is disposed.
  • the 1st water discharging part 12 mixes air with a filter as foam water discharge, and performs foam-like water discharge which included the bubble in the water flow to discharge.
  • the foam water discharge by the first water discharge unit 12 corresponds to the “first water discharge form” in the present invention.
  • the second water discharger 13 is wider than the cross-sectional area (diameter) of the second water discharge port 13a in which water spreads at a predetermined angle as the spray water discharge from the second water discharge port 13a. Use a mist-like water discharge that spreads water over the area.
  • the spray water discharged by the second water discharge unit 13 corresponds to the “second water discharge form” in the present invention.
  • the second water discharger 13 sprays water at a flow rate lower than that of the first water discharger 12 and sprays water at a flow rate faster than that of the first water discharger 12.
  • the first water discharger 12 foams and discharges water at 2 liters per minute
  • the second water discharger 13 sprays and discharges water at 0.3 liters per minute.
  • FIG. 3 is a longitudinal sectional view of the second water discharger 13 as viewed along the direction of water flow.
  • the water flowing in from the inlet 13 b provided at the upper end part causes a straight flow (see arrow A ⁇ b> 11) in the internal flow path 13 d and the internal flow.
  • a swirling flow (see arrow A12) is generated in the internal flow path 13d by the water flowing in from the slit portion 13c formed on the outer peripheral surface of the upper end portion of the path 13d. Due to the synergistic effect of the straight flow and the swirl flow, the spray water discharge is performed in a full cone shape from one second water discharge port 13a at the lower end of the internal flow path 13d.
  • the water is discharged over a range larger than the cross-sectional area (diameter) of the second water discharge port 13a.
  • water spreads and is discharged from the second water discharge port 13a at the discharge angle ⁇ .
  • the second water discharge port of the second water discharge unit 13 is discharged.
  • the discharge angle ⁇ from 13a is larger than the discharge angle from the first water outlet 12a of the first water discharger 12.
  • FIG. 4 is a cross-sectional view of the automatic faucet device 1 according to the present embodiment, similar to FIG.
  • the light irradiation range R12 by the LED 15 is:
  • the installation angle of the LED 15 and the irradiation range of the LED 15 are set so as to substantially coincide with the water discharge range R11 by the second water discharge unit 13.
  • the LED 15 is disposed so that the central axis of the LED 15 is substantially parallel to the central axis of the second water discharger 13.
  • FIG. 5 is a cross-sectional view of the automatic faucet device 1 according to the present embodiment, similar to FIG.
  • the second water discharge port 13 a of the second water discharge unit 13 is disposed on the rear side of the first water discharge port 12 a of the first water discharge unit 12. The dripping of water from the first water outlet 12a is prevented from being applied to the second water outlet 13a.
  • the second water discharge port 13a of the second water discharge unit 13 may prevent the water sprayed from the second water discharge port 13a from being applied to the first water discharge port 12a of the first water discharge unit 12. It is arranged.
  • the second water discharge port 13a of the second water discharge unit 13 is disposed so as to spray water toward the vicinity of the drain port of the bowl 3 (not shown in FIG. 5).
  • the senor 14 is connected to the second water discharge port 13a of the second water discharge unit 13 so that the hand is appropriately detected by the sensor 14 even if the person does not reach the back so much. Is also arranged on the front side. In other words, the second water discharge port 13 a is disposed behind the sensor 14. By doing so, the water sprayed and discharged from the second water outlet 13a is less likely to be applied to a portion of the user's arm or body that is not desired to be wetted.
  • the sensor 14 and the relationship of the direction of the 2nd water discharging part 13 which the sensor 14 does not detect the water sprayed and discharged from the 2nd water discharging opening 13a of the 2nd water discharging part 13 are shown. Adopted. Specifically, since the detection accuracy of the sensor 14 decreases as the distance from the sensor 14 increases, a directivity range R13 (a range including the detection range of the sensor 14) corresponding to the detection direction A23 related to detection of the detection object by the sensor 14 is detected. The sensor 14 and the second water discharger 13 intersect the water discharge range R11 of the second water discharger 13 at a position distant from the front side. The orientation relationship is adopted.
  • the sensor 14 is disposed so that the detection direction A23 of the sensor 14 is directed away from the water discharge direction A22 of the second water discharger 13.
  • a line L13 (typically corresponding to the central axis of the sensor 14) along the detection direction A23 of the sensor 14 extends in the vertical direction from the center of the second water discharge port 13a of the second water discharge unit 13.
  • the sensor 14 is disposed so as not to cross the line L12 (typically corresponding to the central axis of the second water discharger 13) on the front side.
  • the first water discharge unit 12 and the second water discharge unit 13 are configured such that the water sprayed from the second water discharge port 13a of the second water discharge unit 13 is not easily applied to the user.
  • the orientation relationship is adopted. Specifically, the first water discharge unit 12 and the second water discharge unit so that the water discharge direction A21 of the first water discharge unit 12 and the water discharge direction A22 of the second water discharge unit 13 are directed away from each other.
  • Each of 13 is arranged.
  • the line L11 typically corresponding to the central axis of the first water discharger 12
  • the second water discharger typically corresponding to the central axis of the first water discharger 12
  • the first water discharge portion so that a line L12 (typically corresponding to the central axis of the second water discharge portion 13) extending in the vertical direction from the center of the 13 second water discharge ports 13a does not intersect on the front side. 12 and the 2nd water discharging part 13 are each arrange
  • FIG. 6 is a block diagram schematically showing a functional configuration of the automatic water faucet device according to the embodiment of the present invention.
  • the automatic faucet device 1 has a common channel 21 on the upstream side of both the first channel 17 and the second channel 18 (see FIG. 2 and the like). It is connected.
  • the common flow path 21 is supplied with normal water such as general tap water (city water) (in this specification, this water is referred to as “normal water” as appropriate in order to distinguish this water from electrolyzed water). Is done.
  • a stop cock 22 for blocking the flow of normal water in the common flow path 21 On the common flow path 21, in order from the upstream side, a stop cock 22 for blocking the flow of normal water in the common flow path 21, a filter 23 for removing foreign matters mixed in normal water, a flow rate on the secondary side Is provided at a constant flow rate, and branches into a first flow path 17 and a second flow path 18 at the downstream end of the common flow path 21.
  • the first flow path 17 is provided with a first electromagnetic valve 25 that opens and closes to switch between normal water flow and blocking in the first flow path 17.
  • first electromagnetic valve 25 When the first electromagnetic valve 25 is open, normal water flows through the first flow path 17 and from the first water discharger 12 connected to the downstream end of the first flow path 17. Usually, water is discharged as foam.
  • the second flow path 18 is provided with a second electromagnetic valve 28, a pressure regulating valve 29, a safety valve 30, a check valve 35, and an electrolytic cell 37 in order from the upstream side.
  • the second solenoid valve 28 switches between the flow and the block of normal water in the second flow path 18 by opening and closing.
  • the pressure regulating valve 29 is a valve that adjusts the water pressure to a desired pressure (a pressure suitable for performing spray water discharge).
  • the safety valve 30 is opened when the pressure in the second flow path 18 becomes equal to or higher than a predetermined pressure (for example, when the second water discharge port 13a is blocked and the pressure in the second flow path 18 suddenly increases). In this case, the water in the second flow path 18 flows through the first flow path 17 via the bypass flow path 31 to reduce the pressure in the second flow path 18.
  • the check valve 35 is a valve that prevents back flow of water.
  • the electrolyzer 37 When the electrolyzer 37 is energized, it normally electrolyzes water to generate electrolyzed water (the electrolyzer 37 corresponds to the “functional water generator” in the present invention).
  • a filter may be further provided on the downstream side of the electrolytic cell 37.
  • the automatic faucet device 1 further includes a controller 40 that controls the components in the automatic faucet device 1 (this controller 40 corresponds to the “control unit” in the present invention).
  • the controller 40 is operated by the power from the AC power source 39 and supplies the power of the AC power source 39 to each of the sensor 14, the LED 15, the first electromagnetic valve 25, the second electromagnetic valve 28, and the electrolytic cell 37. Take control.
  • the controller 40 acquires a sensor signal indicating the detection state of the object to be detected by the sensor 14, and performs control for switching on / off of the LED 15 based on this sensor signal, and opening / closing of the first electromagnetic valve 25.
  • generation of the electrolyzed water by the electrolyzer 37 are performed.
  • electrolyzed water used by this embodiment what is necessary is just water which has the disinfection function obtained by electrolysis.
  • a representative example of electrolyzed water is electrolyzed water containing hypochlorous acid.
  • free chlorine exists as hypochlorous acid (HClO) when acidic, and in this form is about 10 times stronger in bactericidal power than hypochlorite ion (ClO ⁇ ), which is an alkaline existence form.
  • HClO hypochlorous acid
  • ClO ⁇ hypochlorite ion
  • the water electrolyzed in the continuous electrolysis tank is sterilized water having a strong sterilizing power.
  • salt water Chlorine ions can be supplemented by adding chloride such as.
  • a conductive base material carrying a chlorine generation catalyst or a conductive material made of a chlorine generation catalyst is used as an electrode used for chlorine generation.
  • a catalyst for generating chlorine for example, iron-based electrodes such as ferrite, palladium-based electrodes, ruthenium-based electrodes, iridium-based electrodes, platinum-based electrodes, ruthenium-tin-based electrodes, palladium-platinum-based electrodes, iridium-platinum-based electrodes Ruthenium-platinum electrodes, iridium-platinum-tantalum electrodes, and the like.
  • the base material part that bears the structure can be made of inexpensive materials such as titanium and stainless steel, which is advantageous in terms of manufacturing cost.
  • hypohalous acid obtained by electrolyzing water containing halogen ions.
  • Other electrolyzed water includes silver ion water obtained by using silver as an electrode.
  • Silver ions are said to adsorb to the enzyme in the bacterial cell membrane and inhibit the action of the enzyme, which makes it impossible for the bacteria to sustain their lives.
  • a cleaning method for increasing the replacement rate of the drain trap it becomes possible to suppress the slime and smell of the drain for a long period of time.
  • electrolyzed water such as ozone water that generates high-concentration ozone along with the generation of oxygen on the anode side, can be suitably used, especially by using lead dioxide ( ⁇ -type) as an electrode for electrolysis. It is.
  • examples of the sterilizing water other than the electrolyzed water include aqueous solutions in which various sterilizing components are dissolved.
  • the disinfecting component to be dissolved any of solid, liquid, and gas may be used.
  • a liquid sterilizing component for example, alcohols such as ethanol and isopropanol, hydrogen peroxide, etc. may be applied.
  • ozone water should just be produced by dissolving ozone in water as a fine bubble, for example.
  • sodium hypochlorite etc. for example, when using a solid sanitization component.
  • the various sterilized waters described above correspond to “functional water” in the present invention.
  • the term “sanitization” not only means to reduce bacteria (in this case, it includes not only the meaning to remove and reduce bacteria but also the meaning to kill and reduce bacteria), It is used as a broad concept that also includes the meaning of inhibiting the growth of bacteria even if it is not reduced.
  • the “functional water” in the present invention means water obtained by adding a sterilization function in this sense to normal water by a predetermined treatment.
  • electrolyzed water is used as the functional water in the present invention will be described.
  • sterilized water as described above other than electrolyzed water may be used. Needless to say.
  • FIG. 7 is a time chart showing the basic control according to the first embodiment of the present invention.
  • FIG. 7 shows, from the top, the sensor signal supplied from the sensor 14 to the controller 40, the drive signal supplied from the controller 40 to the second electromagnetic valve 28, and the drive supplied from the controller 40 to the first electromagnetic valve 25.
  • the signal, the drive signal supplied to the electrolytic cell 37 from the controller 40, and the drive signal supplied to the LED 15 from the controller 40 are shown.
  • the sensor signal is turned on when the sensor 14 detects the detected object, and turned off when the sensor 14 does not detect the detected object (hereinafter, the sensor signal is turned on, the sensor 14 is turned on).
  • the state in which the detected object is detected is referred to as “detected state”, and the state in which the sensor signal is off and the sensor 14 does not detect the detected object is referred to as “non-detected state”).
  • the drive signal for the second solenoid valve 28 corresponds to the open / close state of the second solenoid valve 28, and the drive signal for the first solenoid valve 25 corresponds to the open / close state of the first solenoid valve 25.
  • the driving signal for the electrolytic cell 37 corresponds to on / off of the electrolytic cell 37 (in other words, the operating / non-operating state of the electrolytic cell 37), and the driving signal for the LED 15 corresponds to the on / off state of the LED 15. To do.
  • the sensor signal is switched from OFF to ON, that is, the sensor 14 is switched from the non-detection state to the detection state.
  • the controller 40 energizes the first electromagnetic valve 25 to open the first electromagnetic valve 25, and causes normal water to be spouted from the first water discharger 12. This foam water discharge is water discharge for washing a user's hand.
  • hand-washing water discharge the water discharged for such a purpose
  • the water discharge is not only used for washing the face, storing in the bowl 3, washing the toothbrush, etc.
  • the term “hand-wash water discharge” is used to represent hand-washing.
  • the sensor signal is switched from on to off, that is, the sensor 14 is switched from the detection state to the non-detection state.
  • the controller 40 stops energization to the first electromagnetic valve 25 and closes the first electromagnetic valve 25 to end the foam water discharge from the first water discharger 12, that is, water for hand washing. Exit.
  • the controller 40 causes the second water discharge unit 13 to perform spray water discharge.
  • This spray water discharge is performed to prevent the dirt that has flowed out by hand washing using the hand wash water discharge described above from becoming difficult to remove by drying and adhering to the bowl 3 or the like of the hand washing machine 5.
  • water discharge performed for such a purpose is appropriately referred to as “after water discharge” as water discharged after hand-washing water discharge).
  • the predetermined time T1 is set based on the time until the dirt due to the water for hand washing is dried and fixed. For example, the predetermined time T1 is set to 3 seconds.
  • the controller 40 first turns on the LED 15 at time t13 and irradiates the water discharge range R11 of the spray water discharged by the second water discharge unit 13 with the light of the LED 15 (see FIG. 4). The user is notified that water discharge is performed. Then, the controller 40 energizes the second electromagnetic valve 28 at the time t14 immediately after the time t13 (corresponding to the time after the elapse of the predetermined time T1 from the time t12 when the hand-washing water discharge is terminated), thereby supplying the second electromagnetic valve.
  • the valve 28 is opened, and at time t15 immediately after time t14, the electrolytic cell 37 is energized to generate electrolyzed water in the electrolytic cell 37, whereby the electrolyzed water is sprayed and discharged from the second water discharger 13. In other words, after water discharge.
  • the energization of the electrolytic cell 37 is started after the energization of the second electromagnetic valve 28 without starting the energization of the second electromagnetic valve 28 and the electrolysis cell 37 at the same time. Electric power is consumed greatly at the timing of switching the electromagnetic valve 28 from the closed state to the open state, so that the electrolytic cell 37 is not energized at the timing of this switching, and an attempt is made to energize the electrolytic cell 37 while the power is stable. Is.
  • the controller 40 detects the LED 15 Is turned off and the irradiation of light from the LED 15 is terminated, and the energization of the second electromagnetic valve 28 is stopped and the second electromagnetic valve 28 is closed, whereby the spray from the second water discharger 13 is sprayed. End water discharge, that is, end after water discharge.
  • the controller 40 performs after-water discharge every time the hand-wash water is discharged a predetermined number of times without performing after-water discharge every time hand-wash water is discharged. Specifically, the controller 40 counts the number of times that the hand-washing water discharge has been performed, and does not perform after-water discharge while the counted number of times does not reach the predetermined number of times, and when the counted number reaches the predetermined number of times. After water discharge is performed, the number of times counted at this time is reset, and the number of times water is discharged for hand washing is counted again. In this case, the controller 40 shall apply electrolyzed water when performing after-water discharge.
  • the controller 40 performs after-water discharge every time hand-washing water is discharged, and performs after-water discharge to which electrolytic water is applied and after-water discharge to which electrolytic water is not applied (that is, after-water discharge to which normal water is applied). Switch appropriately.
  • the controller 40 applies the electrolyzed water every time after-after water discharge is performed a predetermined number of times. Specifically, the controller 40 counts the number of times after-water discharge has been performed, and does not energize the electrolytic cell 37 while the number of times counted has not reached a predetermined number of times, thereby performing after-water discharge using normal water. When the number of times counted reaches a predetermined number, the electrolysis tank 37 is energized to perform after-water discharge using electrolyzed water, and the number of times counted after this is reset and the number of after-water discharge Count again.
  • the controller 40 performs after-water discharge every time hand-washing water is discharged, but changes the energization time of the electrolytic cell 37 to perform after-water discharge. That is, the controller 40 changes the concentration of the electrolyzed water to be applied when performing after water discharge. Specifically, the controller 40 learns the usage frequency of the automatic faucet device 1 and adjusts the energization time of the electrolytic cell 37 based on this usage frequency. Specifically, the controller 40 shortens the energization time of the electrolytic cell 37 as the learned usage frequency increases, in other words, increases the energization time of the electrolytic cell 37 as the learned usage frequency decreases.
  • the control regarding the after-water discharge performed considering the lifetime (endurance years) of the electrolytic cell 37 was described above, it is not limited to performing such control and the bowl 3 of the hand-washer 5 is cleaned. You may perform control regarding after water discharge giving priority to keeping. In this case, the bowl 3 of the hand-washing machine 5 is soiled after the user has washed his / her hand. Therefore, the controller 40 should perform after-water discharge using electrolyzed water every time hand-washing water is discharged.
  • FIG. 8 schematically shows the second flow path 18 and the second water discharger 13 on the upstream side of the electrolytic cell 37, and the state of the water in the second flow path 18 during the period of performing after-water discharge. Are shown in chronological order from left to right.
  • the normal water and the electrolyzed water in the second flow path 18 are shown in different modes.
  • the controller 40 switches the second electromagnetic valve 28 from closed to open and starts energization to the electrolytic cell 37. Since it is filled with water, normal water is discharged from the second water discharger 13 (see FIG. 8A). Thereafter, the electrolyzed water generated in the electrolyzer 37 flows downstream through the second flow path 18 (see FIG. 8B), and when the electrolyzed water reaches the downstream end of the second flow path 18. That is, when the second water discharger 13 is reached (at this time, the inside of the second flow path 18 is filled with electrolyzed water), the electrolyzed water starts to be discharged from the second water discharger 13 (FIG. 8). (See (C)).
  • the controller 40 stops energization of the electrolytic cell 37 in a state where the second electromagnetic valve 28 is kept open, and stops generation of electrolyzed water in the electrolytic cell 37. Then, normal water is supplied to the second flow path 18 and the electrolyzed water in the second flow path 18 is pushed out, so that the electrolyzed water is discharged from the second water discharger 13, and the second flow The electrolyzed water in the passage 18 is gradually replaced with normal water (see FIG. 8D). Finally, the electrolyzed water in the second flow path 18 is almost eliminated, and the second flow path 18 is filled with normal water (see FIG. 8E). At this time, the controller 40 switches the second electromagnetic valve 28 from open to closed to end the spray water discharge from the second water discharge unit 13, that is, end the after water discharge.
  • the second flow path 18 is filled with normal water at the end of the after water discharge using the electrolyzed water. By doing so, corrosion (deterioration) of the second flow path 18 and the like due to the electrolyzed water staying in the second flow path 18 is suppressed.
  • the controller 40 after stopping energization of the electrolytic cell 37, the controller 40 has the same amount of normal water or the same volume as the volume of the second flow path 18 (the volume including the second water discharger 13 may be used).
  • the second flow path 18 is filled with normal water. Since it takes 1.6 seconds, the controller 40 keeps the second electromagnetic valve 28 open for 1.6 seconds after stopping energization of the electrolytic cell 37, and supplies normal water to the second flow path 18. Supply. In this example, when the after-water discharge is performed for 3.5 seconds (corresponding to the predetermined time T2 shown in FIG. 7), the controller 40 performs the first 1.9 seconds (the predetermined time shown in FIG. 7).
  • the electrolysis tank 37 is energized with the second electromagnetic valve 28 opened, and the second electromagnetic valve 28 is energized with the electrolysis tank 37 stopped for 1.6 seconds thereafter. Keep open. In such a case, normal water is discharged for the first 1.6 seconds, and electrolyzed water is discharged for the subsequent 1.9 seconds.
  • 1.6 seconds is the minimum time required to fill the second flow path 18 with normal water after the energization of the electrolytic cell 37 is stopped. It is not limited to supplying the normal water to the second flow path 18 by keeping the second electromagnetic valve 28 open for 2 seconds, and the second electromagnetic valve 28 is opened for a time longer than 1.6 seconds.
  • the normal water may be supplied to the second flow path 18 while maintaining the above. This is equivalent to supplying normal water in an amount larger than the volume of the second flow path 18 to the second flow path 18.
  • the energization to the electrolytic cell 37 is stopped and the electrolyzed water is supplied to the second flow path 18.
  • the energization of the electrolytic cell 37 is not stopped. It is also possible to reduce the energization power (meaning current or voltage) of the electrolytic cell 37 and supply the second flow path 18 with electrolyzed water having a low concentration instead of normal water.
  • the controller 40 first applies the first energizing power to the electrolytic cell 37 to generate the first concentration of electrolyzed water in the electrolyzer 37, and this electrolyzed water of the first concentration is generated.
  • the electrolytic cell 37 water is discharged from the second water discharger 13 through the second flow path 18, and then, a second conductive power lower than the first conductive power is applied to the electrolytic cell 37. Electrolyzed water having a second concentration lower than the first concentration is generated, and the electrolyzed water having the second concentration is supplied to the second flow path 18.
  • Electrolyzed water having a concentration (preferably electrolyzed water having a concentration capable of sufficiently diluting the electrolyzed water having the first concentration filled in the second flow path 18) is applied. Note that when the second energizing power applied to the electrolytic cell 37 is set to 0, the energization to the electrolytic cell 37 is stopped, the second concentration becomes 0, and the normal water is the second as in the example described above. Will be supplied to the flow path 18.
  • the electrolysis water having a relatively high first concentration is discharged, the electrolysis water having a relatively low second concentration is supplied to the second flow path 18.
  • the electrolyzed water can reduce the concentration of the electrolyzed water in the second flow path 18 and suppress corrosion (deterioration) of the second flow path 18 and the like caused by the electrolyzed water.
  • FIG. 9 is a time chart showing a first control example according to the first embodiment of the present invention.
  • FIG. 9 shows the sensor signal supplied from the sensor 14 to the controller 40, the drive signal supplied from the controller 40 to the second electromagnetic valve 28, and the drive supplied from the controller 40 to the first electromagnetic valve 25 in order from the top. The signal is shown.
  • the description of the same control as the basic control described above will be omitted as appropriate.
  • description thereof will be omitted, and only control from time t22 to time t24 will be described.
  • the basic control described above executes after water discharge when a predetermined time T1 has elapsed since the handwash water discharge, but the first control example performs a predetermined time T1 after executing the handwash water discharge.
  • This is related to the control performed when the sensor 14 is switched from the non-detection state to the detection state.
  • the controller 14 is switched from the non-detection state to the detection state at the time t23 before the predetermined time T1 elapses after the time t22 when the hand-washing water discharge ends.
  • 40 energizes the first electromagnetic valve 25 to open the first electromagnetic valve 25, and causes the first water discharger 12 to discharge the foam.
  • the controller 40 maintains the first electromagnetic valve 25 in the open state from time t23 when the detection state of the sensor 14 continues to time t24, and performs foam water discharge by the first water discharge unit 12. That is, water is discharged for hand washing.
  • the spray water discharge by the second water discharge unit 13 is not performed.
  • the foam water discharge by the 1st water discharge part 12 is performed.
  • the sensor 14 is switched from the temporarily non-detection state to the detection state after the hand-wash water discharge is performed (for example, the user temporarily moves the hand outside the detection range of the sensor 14 during the hand-washing).
  • water discharge for hand washing is resumed without starting after water discharge. That is, the user can resume hand washing without waiting for the end of after-water discharge.
  • FIG. 10 is a time chart showing a second control example according to the first embodiment of the present invention.
  • FIG. 10 shows, in order from the top, the sensor signal supplied from the sensor 14 to the controller 40, the drive signal supplied from the controller 40 to the second electromagnetic valve 28, and the drive supplied from the controller 40 to the first electromagnetic valve 25. The signal is shown.
  • the description of the same control as the basic control described above will be omitted as appropriate.
  • the control from time t31 to time t33 and the control after time t35 are the same as the basic control, description thereof will be omitted, and only control from time t34 to time t35 will be described.
  • the second control example relates to control performed when the sensor 14 is switched from the non-detection state to the detection state during execution of the after water discharge.
  • the controller 40 energizes the second electromagnetic valve 28. Stop and close the second electromagnetic valve 28 (when the electrolysis tank 37 is energized, the electrolysis tank 37 is also de-energized), stop spraying water discharge from the second water discharge section 13, and The first electromagnetic valve 25 is energized to open the first electromagnetic valve 25, and foam water is discharged from the first water discharge unit 12. That is, the controller 40 ends the after water discharge and starts the hand wash water discharge.
  • the controller 40 maintains the first electromagnetic valve 25 in the open state from time t34 when the detection state of the sensor 14 continues to time t35, and performs foam water discharge by the first water discharge unit 12. . Then, the controller 40 energizes the second solenoid valve 28 at the time t36 when the non-detection state of the sensor 14 continues for a predetermined time T1 after the time t35 when the hand-washing water discharge is finished. 28 is opened, spray water discharge is performed by the second water discharge unit 13, that is, after-water discharge is resumed.
  • the spray water discharge by the second water discharge unit 13 is stopped and the foam water discharge by the first water discharge unit 12 is stopped. Do it, that is, stop after-water discharge and hand-wash water. By doing so, the user can perform hand washing without waiting for the end of the after water discharge.
  • electrolyzed water when electrolyzed water is applied to the user's hands, it may cause rough skin depending on the concentration of the electrolyzed water, or it may leave a smell peculiar to electrolyzed water (such as a chlorine odor).
  • the after water discharge is stopped to prevent a problem that may occur due to such electrolyzed water being applied to the user's hand.
  • FIG. 11 is a time chart showing a third control example according to the first embodiment of the present invention.
  • FIG. 11 shows the drive signal supplied to the second electromagnetic valve 28 from the controller 40 on the upper side, and shows the drive signal supplied to the electrolytic cell 37 from the controller 40 on the lower side.
  • the description of the same control as the basic control described above will be omitted as appropriate.
  • the controller 40 does not stop the energization of the second electromagnetic valve 28 and the energization of the electrolytic cell 37 at the same time.
  • the energization of the second solenoid valve 28 is stopped. Specifically, the controller 40 energizes the second electromagnetic valve 28 at time t41, energizes the electrolytic cell 37 at time t42 immediately thereafter, stops energization of the electrolytic cell 37 at time t43, and immediately thereafter.
  • the energization of the second solenoid valve 28 is stopped.
  • the controller 40 stops energization of the electrolytic cell 37 and the second electromagnetic valve 28 in such a procedure when the sensor 14 is in a detection state during execution of after-water discharge that generates electrolytic water. .
  • the energization of the second solenoid valve 28 is stopped after the energization of the electrolytic cell 37 is stopped without simultaneously stopping the energization of the second electromagnetic valve 28 and the energization of the electrolytic cell 37. Since a large amount of power is consumed at the timing of switching the second solenoid valve 28 from open to closed, the energization of the electrolytic cell 37 is already stopped at the timing of this switching, and the power is stabilized while the power is stable. The second solenoid valve 28 is to be operated.
  • both the second electromagnetic valve 28 and the electrolytic cell 37 are energized (period from time t42 to time t43), a large amount of electric power is consumed, so that the second electromagnetic valve 28 is supplied.
  • the electric power to be used may be thinned out as appropriate.
  • the energization of the second electromagnetic valve 28 may be temporarily stopped. After the second solenoid valve 28 is once opened, the second solenoid valve 28 is hardly closed even if the energization to the second solenoid valve 28 is temporarily stopped. This is because the substantial valve open state of 28 can be maintained.
  • FIG. 12 is a flowchart showing a control flow related to hand-washing water discharge according to the first embodiment of the present invention
  • FIG. 13 shows after-water discharge according to the first embodiment of the present invention performed after the flowchart shown in FIG. It is a flowchart which shows the control flow which concerns.
  • the control flow shown in FIGS. 12 and 13 is obtained by applying the first to third control examples (see FIGS. 9 to 11) to the basic control (see FIG. 7).
  • step S11 the controller 40 determines whether or not the sensor signal from the sensor 14 has been switched from OFF to ON, that is, whether or not the sensor 14 has been switched from the non-detection state to the detection state. As a result, when the sensor signal is not switched from OFF to ON (step S11: No), the determination in step S11 is performed again. That is, the controller 40 repeatedly performs the determination in step S11 until the sensor signal is switched from off to on.
  • step S11 when the sensor signal is switched from OFF to ON (step S11: Yes), the process proceeds to step S12, where the controller 40 energizes the first electromagnetic valve 25 to open the first electromagnetic valve 25,
  • the normal water is discharged from the first water discharge unit 12 in the form of foam water, that is, hand-wash water is discharged.
  • step S13 the controller 40 determines whether or not the sensor signal from the sensor 14 has been switched from on to off, that is, whether or not the sensor 14 has been switched from the detection state to the non-detection state.
  • step S13: No the determination in step S13 is performed again. That is, the controller 40 repeatedly performs the determination in step S13 until the sensor signal is switched from on to off. In this case, the controller 40 continues the energization to the first electromagnetic valve 25 and keeps the first electromagnetic valve 25 open, thereby continuously discharging the water for hand washing.
  • step S13 when the sensor signal is switched from on to off (step S13: Yes), the process proceeds to step S14, where the controller 40 stops energizing the first electromagnetic valve 25 and closes the first electromagnetic valve 25. And ends the foam water discharge from the first water discharge unit 12, that is, the hand wash water discharge ends. Thereafter, the process proceeds to step S20 shown in FIG.
  • step S20 the controller 40 determines whether or not the sensor signal from the sensor 14 is OFF, that is, determines whether or not the sensor 14 is in a non-detection state.
  • step S20: No when the sensor signal is not off (step S20: No), that is, when the sensor signal is switched from off to on, the process returns to step S12 shown in FIG.
  • the controller 40 energizes the first electromagnetic valve 25 to open the first electromagnetic valve 25 and causes normal water to be spouted from the first water discharger 12 for hand washing. Perform water discharge again.
  • step S20 when the sensor signal is OFF (step S20: Yes), the process proceeds to step S21, and the controller 40 has passed 3 seconds (corresponding to the predetermined time T1 shown in FIG. 7) after finishing the hand-washing water discharge. Determine whether or not.
  • step S21: No when 3 seconds have not elapsed since the end of hand-washing water discharge (step S21: No), the process returns to step S20, and the determinations of steps S20 and S21 are performed again. In this case, the controller 40 waits for 3 seconds to pass while determining whether the sensor signal is off.
  • step S21 when 3 seconds have elapsed since the end of the hand-washing water discharge (step S21: Yes), the process proceeds to step S22, and the controller 40 turns on the LED 15.
  • step S23 the controller 40 energizes the second electromagnetic valve 28 to open the second electromagnetic valve 28.
  • step S24 the controller 40 energizes the electrolytic cell 37.
  • electrolyzed water is generated in the electrolytic cell 37.
  • the controller 40 sprays electrolyzed water from the 2nd water discharging part 13, ie, performs after water discharging.
  • the controller 40 passes 3 seconds after ending handwash water discharge so that the second electromagnetic valve 28 opens when 3 seconds have passed since handwash water discharge was finished.
  • the LED 15 is turned on at the previous time point, that is, when a predetermined time of less than 3 seconds has elapsed since the end of hand-washing water discharge.
  • step S25 the controller 40 determines whether or not the sensor signal from the sensor 14 is OFF, that is, determines whether or not the sensor 14 is in a non-detection state.
  • step S25: No when the sensor signal is not off
  • step S26 the controller 40 stops energization to the electrolytic cell 37 and ends the generation of the electrolyzed water in the electrolytic cell 37.
  • step S27 the controller 40 turns off the LED 15, stops the energization of the second electromagnetic valve 28, and closes the second electromagnetic valve 28.
  • the controller 40 complete
  • step S25: Yes when the sensor signal is off (step S25: Yes), the process proceeds to step S28, and the controller 40 starts 1.9 seconds after the start of after-water discharge (corresponding to the predetermined time T3 shown in FIG. 7). It is determined whether or not it has elapsed. As a result, when 1.9 seconds have not elapsed since the start of after-water discharge (step S28: No), the process returns to step S25, and the determinations of steps S25 and S28 are performed again. In this case, the controller 40 waits for 1.9 seconds to elapse while determining whether or not the sensor signal is off.
  • step S28 Yes
  • the process proceeds to step S29, where the controller 40 stops energization of the electrolytic cell 37 and performs electrolysis in the electrolytic cell 37. Finish the water production.
  • step S30 the controller 40 determines whether or not the sensor signal from the sensor 14 is OFF, that is, determines whether or not the sensor 14 is in a non-detection state.
  • step S30: No the process proceeds to step S27.
  • step S27 the controller 40 turns off the LED 15, stops energization of the second electromagnetic valve 28, and closes the second electromagnetic valve 28.
  • the controller 40 complete finishes the spray water discharge from the 2nd water discharge part 13, ie, ends an after water discharge.
  • the process returns to step S12 shown in FIG. 12, and the controller 40 energizes the first electromagnetic valve 25 to open the first electromagnetic valve 25 as described above.
  • the water is discharged as foam and the water for hand washing is discharged again.
  • step S30: Yes when the sensor signal is OFF (step S30: Yes), the process proceeds to step S31, and the controller 40 starts 3.5 seconds after the start of after-water discharge (corresponding to the predetermined time T2 shown in FIG. 7). It is determined whether or not it has elapsed. As a result, when 3.5 seconds have not elapsed since the start of after-water discharge (step S31: No), the process returns to step S30, and the determinations of steps S30 and S31 are performed again. In this case, the controller 40 waits for 3.5 seconds while determining whether or not the sensor signal is off.
  • step S31 Yes
  • the process proceeds to step S32, and the controller 40 turns off the LED 15 and energizes the second electromagnetic valve 28. The operation is stopped and the second electromagnetic valve 28 is closed.
  • the controller 40 complete finishes the spray water discharge from the 2nd water discharge part 13, ie, ends an after water discharge.
  • the water discharge for hand washing when the sensor 14 is in the detection state, water is discharged for hand washing, and when the sensor 14 is in the non-detection state, the water discharge for hand washing is terminated, and after that, water is discharged after (FIG. 7). See), after-water discharge can be performed properly when there is a possibility that the dirt flowing out by hand-washing using hand-washing water will adhere and adhere to the bowl 3 of the hand-washing machine 5, etc. While suppressing water discharge, it is possible to prevent such dirt from being dried and fixed in a state of being attached to the bowl 3 of the hand-washing device 5 or the like. Therefore, the bowl 3 etc. of the hand-washing machine 5 can be kept clean. In particular, according to the first embodiment, after water discharge is performed using electrolyzed water, the bowl 3 and the like of the handwasher 5 can be effectively kept clean.
  • the bowl 3 and the like can be effectively kept clean.
  • the LED 15 irradiates the range R12 substantially the same as the water discharge range R11 of the spray water discharge (FIG. 4).
  • the water discharge range R11 of the spray water discharge can be appropriately notified to the user, and it is possible to prevent the user from landing on a place not desired by the user.
  • the spray water discharge range R11 is notified to the user in advance by the light from the LED 15 before the spray water discharge is started (see FIG. 7). It is possible to effectively suppress water landing.
  • the hand-washing water discharge is finished, after-water discharge is performed when the non-detected state of the sensor 14 continues for a predetermined time (see FIG. 7), the hand-washing water discharge ends and thereafter
  • the user can be notified of the start of after-water discharge. If electrolyzed water from after-water discharge is applied to the user's hand, rough skin may occur depending on the concentration of the electrolyzed water, or odors peculiar to electrolyzed water (such as chlorine smell) may remain. In this way, by notifying the user of the start of after-water discharge, it is possible to appropriately prevent problems that may occur when the electrolytic water is applied to the user's hand.
  • the energization of the electrolytic cell 37 is started after the energization of the second electromagnetic valve 28 is started, and the electrolysis cell 37 is in a state where the power is stable.
  • the energization of the second electromagnetic valve 28 is stopped after the energization of the electrolytic cell 37 is stopped, and the second electromagnetic valve 28 is operated in a state where the power is stable. Since the operation is performed from opening to closing (see FIG. 11), it is possible to appropriately cope with a power source having a small capacity, and to reduce the size of the apparatus.
  • the first embodiment after every time handwashing water is discharged, after every time handwashing water discharge is performed a predetermined number of times, or after using the automatic faucet device 1 is learned.
  • the load applied to the electrolytic cell 37 can be reduced, and the life (durable years) of the electrolytic cell 37 can be extended.
  • the energization of the electrolyzer 37 is stopped and the electrolyzed water to the second flow path 18 is stopped. Since the supply is stopped and normal water is supplied to the second flow path 18 (see FIGS. 7 and 8), the electrolyzed water in the second flow path 18 is discharged by the supplied normal water and the normal water is used. By replacing, the concentration of the electrolyzed water in the second flow path 18 can be reduced (when a sufficient amount of normal water is supplied, almost all of the electrolyzed water in the second flow path 18 is discharged. The inside of the second channel 18 can be filled with normal water).
  • the 1st water discharge port 12a of the 1st water discharge part 12, the 2nd water discharge port 13a of the 2nd water discharge part 13, and the sensor 14 were provided in the front-end
  • the sensor 14 and the second water outlet. 13a can be separated, and erroneous water discharge caused by the sensor 14 detecting water sprayed and discharged from the second water outlet 13a can be suppressed.
  • the LED 15 is further disposed between the first water outlet 12a and the second water outlet 13a (see FIG.
  • the senor 14 and the second The water discharge port 13a can be further separated from the water discharge port 13a, and the erroneous water discharge as described above can be effectively suppressed.
  • the LED 15 is disposed in the vicinity of the second water discharge port 13a, the water discharge range R11 of the second water discharge unit 13 can be appropriately irradiated by the light from the LED 15.
  • the sensor 14 since the sensor 14 is arrange
  • the second water outlet 13a is disposed on the rear side of the sensor 14 (see FIG. 2B), the second water outlet 13a is disposed on the front side of the sensor 14. As compared with the above, the water sprayed and discharged from the second water outlet 13a is less likely to be applied to a portion of the user's arm or body that is not desired to be wetted.
  • the sensor 14 since the sensor 14 is arrange
  • the 1st water discharging part 12 and the water discharging direction A21 of the 1st water discharging part 12, and the water discharging direction A22 of the 2nd water discharging part 13 face in the direction which leaves
  • the 2nd water discharge port 13a is arrange
  • the water sprayed and discharged from the second water discharge port 13a by applying the direction of the second water discharge unit 13 in consideration of the position of the first water discharge port 12a. Can be appropriately prevented from being applied to the first water outlet 12a.
  • control not specifically described here is the same as in the first embodiment.
  • FIG. 14 is a time chart showing the basic control according to the second embodiment of the present invention.
  • FIG. 14 shows, in order from the top, a sensor signal supplied from the sensor 14 to the controller 40, a drive signal supplied from the controller 40 to the second electromagnetic valve 28, and a drive supplied from the controller 40 to the first electromagnetic valve 25.
  • the signal, the drive signal supplied to the electrolytic cell 37 from the controller 40, and the drive signal supplied to the LED 15 from the controller 40 are shown.
  • the control after time t54 is the same as the basic control according to the first embodiment, the description thereof is omitted, and only the control from time t51 to time t54 will be described.
  • the sensor signal is switched from OFF to ON, that is, the sensor 14 is switched from the non-detection state to the detection state.
  • the controller 40 energizes the second electromagnetic valve 28 to open the second electromagnetic valve 28 and to spray water from the second water discharger 13.
  • the controller 40 sprays normal water from the second water discharger 13 without turning on the LED 15 or energizing the electrolytic cell 37, that is, without generating electrolytic water in the electrolytic cell 37.
  • the controller 40 applies such spray water discharge as water discharge performed initially in water for hand washing.
  • the controller 40 stops energization of the second electromagnetic valve 28 at a time t52 when a predetermined time T5 (for example, 3 seconds) has elapsed from the time t51 when the spray water discharge from the second water discharger 13 is started. By closing the second electromagnetic valve 28, the spray water discharge from the second water discharge unit 13 is terminated.
  • a predetermined time T5 for example, 3 seconds
  • the controller 40 energizes the first electromagnetic valve 25 to The first electromagnetic valve 25 is opened, and normal water is discharged from the first water discharge unit 12 in the form of foam.
  • the controller 40 applies such foam water discharge as water discharge performed after spray water discharge in hand-washing water discharge.
  • the sensor signal is switched from on to off, that is, the sensor 14 is switched from the detection state to the non-detection state.
  • the controller 40 stops energization of the first electromagnetic valve 25 and closes the first electromagnetic valve 25, and ends the foam water discharge from the first water discharge unit 12. By doing so, the water for hand washing is terminated. Thereafter, the controller 40 performs after-water discharge in the same procedure as in the first embodiment.
  • predetermined time T5 which performs spray water discharge in the water discharge for hand-washing.
  • an adjustment unit such as a switch is provided in the automatic faucet device 1, and the usage environment of the automatic faucet device 1 (characteristics of the user of the automatic faucet device 1, installation location of the automatic faucet device 1, etc.) Accordingly, it is preferable that an administrator or the like can adjust the predetermined time T5 using the adjustment unit.
  • FIG. 15 is a flowchart showing a control flow relating to water discharge for hand washing according to the second embodiment of the present invention. Note that the control flow related to the after-water discharge shown in FIG. 13 described above is executed in the same manner even after the control flow related to the hand-washing water discharge according to the second embodiment ends.
  • step S41 the controller 40 determines whether or not the sensor signal from the sensor 14 has been switched from OFF to ON, that is, whether or not the sensor 14 has been switched from the non-detection state to the detection state. As a result, when the sensor signal is not switched from OFF to ON (step S41: No), the determination in step S41 is performed again. That is, the controller 40 repeatedly performs the determination in step S41 until the sensor signal is switched from off to on.
  • step S41: Yes when the sensor signal is switched from OFF to ON (step S41: Yes), the process proceeds to step S42, and the controller 40 energizes the second electromagnetic valve 28 to open the second electromagnetic valve 28, Spraying water is discharged from the second water discharge unit 13. By doing so, water discharge for hand washing is started.
  • step S43 the controller 40 determines whether or not 3 seconds (corresponding to the predetermined time T5 shown in FIG. 14) have elapsed since the start of spray water discharge as hand-wash water discharge. As a result, if 3 seconds have not elapsed since the start of spray water discharge (step S43: Yes), the process proceeds to step S44, and the controller 40 determines whether or not the sensor signal from the sensor 14 has been switched from on to off. That is, it is determined whether or not the sensor 14 is switched from the detection state to the non-detection state.
  • step S44 when the sensor signal is switched from on to off (step S44: Yes), the process proceeds to step S45, where the controller 40 stops energizing the second electromagnetic valve 28 and closes the second electromagnetic valve 28.
  • the spray water discharge from the 2nd water discharge part 13 is complete
  • the water discharge for hand-washing will be complete
  • the process proceeds to step S20 shown in FIG.
  • step S44 when the sensor signal is not switched from on to off (step S44: No), the process returns to step S43, and the determinations of steps S43 and S44 are performed again. That is, the controller 40 waits for 3 seconds while determining whether or not the sensor signal has been switched from on to off. In this case, the controller 40 continues energizing the second electromagnetic valve 28 and maintains the open state of the second electromagnetic valve 28, thereby continuing the spray water discharge from the second water discharge unit 13. Do.
  • step S43 when 3 seconds have elapsed since the start of spray water discharge (step S43: No), the process proceeds to step S46, where the controller 40 stops energization of the second electromagnetic valve 28 and the second electromagnetic valve 28. Is closed, and the spray water discharge from the second water discharge unit 13 is terminated.
  • step S47 the controller 40 energizes the first electromagnetic valve 25 to open the first electromagnetic valve 25, and starts foam water discharge from the first water discharge unit 12.
  • the controller 40 starts such foam spouting after a predetermined time (for example, 0.5 seconds) has elapsed since the spray spouting was terminated.
  • step S48 the controller 40 determines whether or not the sensor signal from the sensor 14 has been switched from on to off, that is, whether or not the sensor 14 has been switched from the detection state to the non-detection state.
  • step S48 determines whether or not the sensor signal from the sensor 14 has been switched from on to off, that is, whether or not the sensor 14 has been switched from the detection state to the non-detection state.
  • step S48 when the sensor signal is switched from on to off (step S48: Yes), the process proceeds to step S49, where the controller 40 stops energizing the first electromagnetic valve 25 and closes the first electromagnetic valve 25.
  • the foam water discharge from the first water discharge unit 12 is terminated. Thereby, the water discharge for hand-washing will be complete
  • step S47 shown in FIG. when the determination in step S20 shown in FIG. 13 is “No” and after the control in step S27 is performed, step S47 shown in FIG.
  • spray water discharge by the second water discharge unit 13 when the sensor 14 is in a detection state within a period until after-water discharge is performed after executing hand-wash water discharge, spray water discharge by the second water discharge unit 13 is performed. Without performing the foam water discharge by the first water discharge unit 12 and when the sensor 14 is in a detection state during the execution of the after water discharge, the spray water discharge by the second water discharge unit 13 is stopped, and the first water discharge Foam water discharge by the part 12 is performed.
  • spray water is discharged from the second water discharge unit 13 first, and the spray water discharge is started for a predetermined time T5 (for example, 3 seconds). ), The spray water spouting is stopped and the foam water spouting is performed from the first water spouting unit 12, and at first, hand spraying can be efficiently performed using the spray water spouting with a small flow rate but a high flow rate. Thereafter, not only hand washing but also face washing, water storage, etc. can be performed efficiently by using foam spout with a large flow rate. Therefore, it is possible to appropriately save water while ensuring user convenience.
  • T5 for example, 3 seconds
  • the spray water discharge is automatically switched to the foam water discharge, so when performing an operation other than hand washing (face washing, water storage, etc.) or a relatively long time such as hand washing with soap. Even when the user performs an operation or the like, the user is automatically switched to the foam water spouting without performing a special operation or being aware of it, so that high convenience is ensured.
  • the foam water discharge from the 1st water discharge part 12 after stopping the spray water discharge from the 2nd water discharge part 13, a certain amount of time (for example, 0.5 second later), the foam water discharge from the 1st water discharge part 12 In other words, since the water is temporarily stopped between the spray water discharge and the foam water discharge, it is possible to notify the user of the end of the spray water discharge. As a result, the user can be given a kick to stop hand washing and the like, and water can be effectively saved.
  • the predetermined time T5 which performs spray water discharge in the water discharge for hand-washing could be changed, according to the use environment of the automatic water faucet device 1, a user's convenience and water saving Depending on which is prioritized, the predetermined time T5 during which the spray water is discharged can be appropriately adjusted. For example, in an environment in which dirt that is difficult to remove adheres to the hand and a relatively long hand wash is required, the predetermined time T5 for spraying water discharge is shortened, giving priority to user convenience over water saving. it can.
  • the sensor 14 stops detecting the detected object, and after the water discharge for washing the hand is stopped, the sensor 14 detects the detected object until a predetermined time T1 (for example, 3 seconds) elapses.
  • a predetermined time T1 for example, 3 seconds
  • the spray water discharge from the second water discharge unit 13 is not performed again, but the foam water discharge from the first water discharge unit 12 is performed, so that the convenience of the user can be appropriately ensured.
  • the user temporarily moves his / her hand out of the detection range of the sensor 14 during hand washing and then tries to draw water with his hand or wash his hand with soap, he / she does not use water spray. Since water is discharged, convenience for the user can be ensured.
  • the foam water discharge is performed from the first water discharge unit 12, that is, the foam water discharge is shown as the first water discharge form in the present invention, but the foam water discharge is the first water discharge form in the present invention.
  • the application is not limited.
  • a first water discharge form in the present invention water is discharged from a large number of water outlets having a small diameter in a shower shape, or water is linearly supplied from one or more water outlets having a relatively large diameter.
  • Various water discharge forms such as a straight water discharge to be discharged (strictly speaking, the foam water discharge shown in the above embodiment is included in this straight water discharge) and a water discharge form combining foam water discharge and shower water discharge are applicable. is there.
  • the form farnesoam water discharge, spray water discharge, etc.
  • the type of fluid discharged from the water discharger may be made different.
  • a form in which normal water is discharged from the water discharge part may be applied as the first water discharge form
  • a form in which the electrolyzed water is discharged from the water discharge part may be applied as the second water discharge form.
  • the form which discharges electrolyzed water from a water discharge part may be applied as a 1st water discharge form, and the form which discharges normal water from a water discharge part may be applied as a 2nd water discharge form.
  • the form in which the electrolyzed water is discharged from the water discharger is applied to both the first water discharge form and the second water discharge form, and the concentration of the electrolyzed water applied to the first water discharge form and the second water discharge form You may vary the density
  • the form (foam water discharge, spray water discharge, etc.) for discharging the fluid from the water discharge part is different between the first water discharge form and the second water discharge form, and the type of fluid discharged from the water discharge part (normal water) Alternatively, the electrolyzed water) may be different.
  • the following water discharge form are conceivable.
  • normal water can be sprayed and discharged in hand-washing water discharge
  • electrolytic water can be sprayed and discharged in after-water discharge.
  • normal water can be discharged as foam in the hand-washing water discharge
  • electrolytic water can be discharged as foam in the after-water discharge.
  • the electrolyzed water in the water for hand washing, can be sprayed and discharged, and then the normal water can be foamed and discharged, and the after-water discharged can be sprayed with the electrolyzed water.
  • the normal water in the water for hand washing, is sprayed and discharged after the normal water is sprayed, and the electrolyzed water is sprayed and discharged in the after-water discharge.
  • FIG. 16 is a block diagram schematically showing a functional configuration of an automatic water faucet device according to Modification 3 of the embodiment of the present invention.
  • the same components as those of the automatic faucet device 1 shown in FIG. 6 are denoted by the same reference numerals, and the description thereof is omitted.
  • the automatic faucet device 1 a includes an electromagnetic valve 51 and a switching valve 52 instead of the first electromagnetic valve 25 and the second electromagnetic valve 28.
  • the configuration is different from the automatic faucet device 1 shown.
  • the electromagnetic valve 51 is provided on the common flow path 21 and is opened and closed by control from the controller 40 to switch between normal water flow and blocking in the common flow path 21.
  • the switching valve 52 is provided at a connection point between the common flow path 21 and the first flow path 17 and the second flow path 18, in other words, at a branch point at the downstream end of the common flow path 21.
  • the switching valve 52 operates under the control of the controller 40 to switch the flow path through which normal water flows to either the first flow path 17 or the second flow path 18.
  • the switching valve 52 described above is configured as an electric valve controlled by the controller 40, but instead of such a switching valve 52, a mechanical valve driven by water pressure is applied as the switching valve. May be.
  • a switching valve as a mechanical valve is applied, the opening of the electromagnetic valve 51 provided on the common flow path 21 upstream of the switching valve is adjusted to adjust the water pressure applied to the switching valve.
  • the flow path for flowing normal water may be switched between the first flow path 17 and the second flow path 18.
  • after-water discharging is performed (see FIG. 7, FIG. 14, etc.).
  • the after-water discharge may be performed, that is, the after-water discharge may be performed continuously with the hand-washing water discharge.
  • after-water discharge may be started during execution of hand-wash water discharge, and the after-water discharge may overlap the hand-wash water discharge. In that case, water is discharged for hand washing while the sensor 14 is in the detection state.
  • both water discharge sections are formed using two flow paths (the first flow path 17 and the second flow path 18).
  • Water discharge was performed from the water discharge part 13) by two types of forms. Specifically, in the first embodiment, foam water is discharged from the first water discharger 12 via the first flow path 17 as hand-wash water discharge, and after the second flow path 18 as after water discharge. Spray water was discharged from the second water discharge unit 13 (see FIG. 7 and the like).
  • both hand washing water discharge and after water discharge may be performed by one type of water discharge using only one flow path and one water discharge portion.
  • using only the water discharger capable of performing spray water discharge both hand-washing water discharge and after-water discharge are performed by this spray water discharge.
  • FIG. 17A is a perspective view of an automatic faucet device according to Modification 5 of the embodiment of the present invention as seen obliquely from below, and FIG. 17B shows this automatic faucet device in FIG. 17A. It is sectional drawing seen along the XVIIB-XVIIB line
  • symbol is attached
  • the automatic water faucet device 1b by the modification 5 does not comprise the 1st water discharge part 12 and the 1st flow path 17 for performing foam water discharge
  • the configuration differs from the automatic faucet device 1 according to the above-described embodiment in that it includes only the second water discharger 13 and the second flow path 18 for performing spray water discharge.
  • the other configuration is almost the same as the automatic faucet device 1 according to the embodiment.
  • the automatic faucet device 1b according to the modified example 5 also includes the sensor 14 that detects an object to be detected and the LED 15 that emits light, like the automatic faucet device 1 according to the embodiment.
  • the words “second” are attached to the “second water discharge portion 13” and the “second flow path 18”. It is not based on the presence of the water discharge part and the flow path, but because it has the same configuration as the second water discharge part 13 and the second flow path 18 of the automatic faucet device 1 according to the above-described embodiment. .
  • FIG. 18 is a block diagram schematically showing a functional configuration of an automatic faucet device 1b according to Modification 5 of the embodiment of the present invention.
  • the same components as those of the automatic faucet device 1 shown in FIG. 6 are denoted by the same reference numerals, and the description thereof is omitted.
  • the automatic faucet device 1b according to the modified example 5 does not include the first water discharge unit 12, the first flow path 17, and the first electromagnetic valve 25, and thus the automatic faucet according to the above-described embodiment.
  • the configuration differs from the faucet device 1.
  • the controller 40 controls the opening and closing of the second electromagnetic valve 28 (the reason why the word “second” is attached is as described above). On / off of the spray water discharged from the second water discharger 13 via the second flow path 18 is switched.
  • FIG. 19 is a time chart showing the control according to the fifth modification of the embodiment of the present invention.
  • FIG. 19 shows, from the top, the sensor signal supplied from the sensor 14 to the controller 40, the drive signal supplied from the controller 40 to the second electromagnetic valve 28, the drive signal supplied from the controller 40 to the electrolytic cell 37, and the controller.
  • the drive signal supplied to LED15 from 40 is shown.
  • the sensor signal is switched from OFF to ON, that is, the sensor 14 is switched from the non-detection state to the detection state.
  • the controller 40 energizes the second electromagnetic valve 28 to open the second electromagnetic valve 28, and sprays normal water from the second water discharge unit 13.
  • the sensor signal is switched from on to off, that is, the sensor 14 is switched from the detection state to the non-detection state.
  • the controller 40 stops energization of the second electromagnetic valve 28, closes the second electromagnetic valve 28, and ends the foam water discharge from the second water discharge unit 13, that is, the water for hand washing. Exit.
  • the controller 40 causes the second water discharge unit 13 to perform the spray water discharge again. Specifically, the controller 40 first turns on the LED 15 at a time t63, and at a time t64 immediately after the time t63 (corresponding to a time after a predetermined time T1 has elapsed from the time t62 when the hand-washing water discharge was terminated). Then, the second electromagnetic valve 28 is energized to open the second electromagnetic valve 28.
  • the controller 40 energizes the electrolysis tank 37 at the time t65 immediately after this time t64 to generate electrolyzed water in the electrolysis tank 37, thereby spraying the electrolyzed water from the second water discharger 13. That is, after-water discharge is performed.
  • the controller 40 detects the LED 15 Is turned off and the irradiation of light from the LED 15 is terminated, and the energization of the second electromagnetic valve 28 is stopped and the second electromagnetic valve 28 is closed, whereby the spray from the second water discharger 13 is sprayed. End water discharge, that is, end after water discharge.
  • the water discharge for the hand washing is performed by the spray water discharge, and when the sensor 14 is in the non-detection state, the water discharge for the hand washing is terminated, and then the after water discharge by the spray water discharge. Therefore, it is possible to properly perform after-water discharge when there is a possibility that the dirt flowing out by hand-washing using water for hand-washing may adhere to the bowl 3 of the hand-washer 5 in a state where it is dried and fixed. It is possible to prevent such dirt from being dried and fixed in a state where the dirt adheres to the bowl 3 of the hand-washing machine 5 or the like while suppressing water discharge. Therefore, the bowl 3 etc. of the hand-washing machine 5 can be kept clean.
  • 3rd modification you may perform the water discharge for the hand-washing by the spray water discharge using electrolyzed water, and the after-water discharge by the spray water discharge using the electrolyzed water.
  • this 3rd modification you may vary the density
  • the automatic faucet device according to the present invention is applied to the hand washing machine 5, but the application of the present invention is not limited to this.
  • the automatic faucet device according to the present invention may be applied to a kitchen or the like. In such a case, by performing after-water discharge, it is possible to prevent the dirt (dirt water) generated by using the kitchen from drying and adhering to the sink or the like.

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Abstract

La présente invention concerne un dispositif de robinet d'eau automatique 1 qui décharge automatiquement de l'eau lorsqu'un objet à détecter est détecté et qui comprend : un capteur 14 pour détecter l'objet à détecter; une première section de décharge d'eau 12 pour décharger de l'eau moussante; une deuxième section de décharge d'eau 13 pour décharger de l'eau pulvérisée; et un dispositif de commande 40 pour commander la commutation entre la décharge d'eau moussante depuis la première section de décharge d'eau 12 et la décharge d'eau pulvérisée depuis la deuxième section de décharge d'eau 13. Le dispositif de commande 40 amène l'eau moussante à être déchargée depuis la première section de décharge d'eau 12 tandis que le capteur 14 détecte l'objet à détecter, arrête la décharge d'eau moussante lorsque l'objet à détecter n'est plus détecté par le capteur 14, et ensuite amène l'eau pulvérisée à être déchargée depuis la deuxième section de décharge d'eau 13 pendant une durée prédéterminée.
PCT/JP2015/082760 2014-12-02 2015-11-20 Dispositif de robinet d'eau automatique WO2016088586A1 (fr)

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CN201580059147.0A CN107109828B (zh) 2014-12-02 2015-11-20 自动水龙头装置
US15/529,906 US10273668B2 (en) 2014-12-02 2015-11-20 Automatic water faucet device

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JP2018080464A (ja) * 2016-11-14 2018-05-24 Toto株式会社 洗面台
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JP2018083065A (ja) * 2016-11-14 2018-05-31 Toto株式会社 洗面台

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US11984768B2 (en) 2020-04-17 2024-05-14 Zurn Water, Llc Hydroelectric generator for faucet and flush valve
CN112099381B (zh) * 2020-08-24 2021-11-30 深圳数联天下智能科技有限公司 一种起泡率控制方法、控制装置、终端设备及存储介质
JP7134412B1 (ja) * 2021-03-05 2022-09-12 Toto株式会社 水栓装置

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JP2018080465A (ja) * 2016-11-14 2018-05-24 Toto株式会社 洗面台
JP2018080464A (ja) * 2016-11-14 2018-05-24 Toto株式会社 洗面台
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JP6742600B2 (ja) 2020-08-19
US10273668B2 (en) 2019-04-30

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